Free creative software for the classroom

How to use the r:strng app

To see a video on how to use the app, please click here.



  • Click or press the play button to start your remix.

  • Use the squares in the top panel to navigate between the different stems.

  • To activate a stem, click on the white rectangle in the middle of the screen. The rectangle and square in the navigation panel will both change colour once they have been activated.

  • A moving waveform will appear in the rectangle to show when you should be hearing sound.

  • You can now apply effects to each stem in turn, using the squares to navigate between different stems.

  • Hit the record button (to the right of the play symbol) when you are ready to record. Hit it again after you have finished your remix.

The different effects will change the sound as follows: